熔焊

基于熔焊的MEMS真空封装

Investigation of MEMS Vacuum Packaging Based on Fusion Welding

基于熔焊的MEMS真空封装熔化极气体保护焊的仿真系统

Investigation of MEMS Vacuum Packaging Based on Fusion Welding Research on simulation systems of MIG welding

异种合金与纯钛激光焊接熔焊区元素混熔分布及组织结构特征关于｛x／n｝的分布

Element mixing distribution and structure feature of fusion zone in laser welding between different alloys and pure titanium

感应熔焊对基体与涂层界面处Fe原子的激活度最大。

The Fe atom activation degree is the strongest on the interface between the coating and base for faradic melting technology .

钛合金/不锈钢TIG熔焊接头微观组织及力学性能分析

Microstructure and Mechanical Property of TIG Welded Joints of Titanium Alloy / Stainless Steel

新一代钢铁材料将是21世纪的主要结构材料，脉冲MAG焊是适合它的一种传统熔焊方法。

The new generation steel will be the main structural material in 21st century .

Fe3Al熔焊接头区组织结构及应力分布研究

Investigation of Microstructure and Stress Distribution of the Fe_3Al Joint Zone by Fusion Welding

CuCr真空触头材料的抗熔焊性能研究

A study of anti-welding properties of CuCr Contact Materials

介绍了可用于受损管件现场修复的内衬管环形Nd∶YAG激光深熔焊结构及装置。

In the paper , the composition and equipment for on-site repair of damaged tubes by circular Nd ∶ YAG laser deep penetration welding of inner sleeves are introduced .

如果能进一步降低冷却速度，则将熔焊方法用于TiAl基合金的连接有很好的应用前景。

If the cooling speed could be further re - duced , the fusion welding would have good perspectives for joining TiAl-based alloy .

建立了一套CO2激光深熔焊熔透状态的同轴检测系统，研究了焊接工艺参数和熔透状态发生变化时等离子体同轴光信号的变化规律。

A system for coaxial monitoring the penetration status in CO_2 laser welding is established . The influence of welding process variables and penetration status on the coaxial optical signal is studied in laser welding of planar plate .

对同一直径的铍环，激光入射角度从0°调整到3°后，由于消除了背反射激光在谐振腔内形成调Q脉冲，激光焊接时出现深熔焊的临界功率密度增加。

For the same diameter of beryllium cylinder , when the angel of incident laser beam was adjusted from 0 ° to 3 °, the back-reflection laser can be overcome . Threshold power density of HIP beryllium will increase .

激光深熔焊中侧吹保护气体方法用于降低等离子体中的电子密度抑制等离子体，TIG中活性焊剂也有吸收电子的作用。

The method of blow , side protecting gas in laser deep welding is used to reduce the electronic density of plasma , also , the active flux in TIG can absorb electron .

焊接热输入量大幅降低，可实现0.3mm以上薄板的无飞溅、高质量MIG/MAG熔焊和MIG钎焊。

This welding technology can greatly reduce the heat input to work piece and get spatter free , high quality weld .

利用光学显微镜和电子探针（EPMA）分析了焊接接头的微观组织及界面元素的分布，初步探讨了TIG熔焊焊接的工艺特性。

Microstructure of welded joints and element distributions in the interface between the weld metal and the base metal were analyzed by optical microscope and electron probe microanalyzer ( EPMA ) .

但是，用在汽车继电器中的AgNi材料在运行过程中发现材料的抗熔焊性能差，其应用也受到了限制。

But the anti-welding ability of AgNi contact material used in automotive relays is lower . so its application is limited .

利用CO2激光深熔焊等离子体光信号的同轴检测系统，对工件板厚变化时激光焊接熔透状态的同轴光信号进行了时域和频域分析。

Using a coaxial monitoring system for detecting the optical emission in CO_2 laser beam welding , the time-field and frequency-field characteristics of the coaxial optical signals under different penetration statuses for welding of oblique plates were studied in this paper .

由于TiAl基合金室温塑性差，采用熔焊方法连接时焊后冷却速度块，接头组织淬硬倾向大，易形成固态裂纹。

Because of the poor room temperature plasticity of TiAl-based alloy , fusion weld - ing will easily lead to solid state cracking on account of high-speed cooling and great tendency of quench hardening .

在该设备上研究了金属外壳的真空封装工艺如焊接工艺参数、除气工艺、夹具对真空分布的影响等，总结了一套可靠的基于电阻熔焊的MEMS器件级真空封装工艺。

The vacuum packaging process research such as welding parameter optimization , degassing , the fixure influence on the vacuum pressure distribution , etc. has been conducted , and finally established a reliable vacuum metal packaging processes for MEMS devices .

本文提出了一种点－线组合热源传热数学模型及其计算机求解和作图方法，以描述激光深熔焊条件下的焊缝截面形状及HAZ温度场。

This paper put forward a mathematic model of point-line combined heat conduction , shows the computer solving procedure and plotting to describe the laser deep penetration welding profile and HAZ isotherms .

利用显微镜和X射线衍射仪对感应熔焊、火焰喷焊、等离子堆焊Ni基自熔合金涂层的金相组织、结合面形态、涂层微区成分及焊层合金化学成分进行了分析。

The microstructures , joint face morphologies , composition of micro spraying area , and chemical composition of coating alloy of Ni-base self-fluxing alloy coating obtained with faradic , autogenous and plasma spraying respectively are studied by means of SEM and X-ray diffraction meter ( XRD ) .

W-Cu复合材料具有良好的导电性、抗熔焊性和高强度、高硬度等优点，目前在电工材料、电子、军工、航天等领域有着广泛的应用。

WCu composites have been used widely in the fields of electrical materials 、 electron 、 war industry and spaceflight due to their high strength and hardness , good electrical and erosion resistance .

本文针对TIG熔焊成型技术中存在的问题以及光纤智能金属结构的制造要求，对熔焊成型技术中路径间距、堆积轨迹等进行研究，从而确定适合制备智能结构件的轨迹规划。

In order to solve the problems of welding prototyping based on TIG building-up Technology , and meet the demand of smart metal structure based on optic fiber sensing , the deposit trajectories and the scan spaces for welding prototyping are studied in this paper .

实际应用表明：Fe-Ni-RE合金具有熔焊性能好、耐磨耐蚀性能优良、成本低等特点。

The results of application show that Fe-Ni-RE alloy has good welding property , high wear and corrosion resistance , low production cost and so on .

CuW合金具有良好的耐电弧侵蚀性、抗熔焊性能和高强度等优点，被广泛地用作各种高压断路器中的触头材料，电火花加工的电极材料。

Cu-W alloy is widely used as electrical contact material in various high voltage interrupters and as electrode material for electrical discharge machining , due to its advantages of high strength , excellent resistance to arc erosion and to welding .

结果表明：熔铸、熔焊工艺的要点是采用冷却能力较强的紫铜做结晶器工作面，冷却水层厚度为10mm，局部冷却速度≥2300℃/min，结晶器出水温度≤45℃；

The results show that purple copper is used as mould face to enhance cooling effect . The cooling water layer thickness is 10 mm , Sub-cooling rate is more than 2 300 ℃ / min and temperature is less than ( 45 ℃ . )

对Cu-Cr-Zr合金的电接触滑动磨损性能的研究结果表明：电接触滑动磨损的机理是熔焊粘着磨损、电侵蚀磨损及磨粒磨损，它们的磨损量随滑动距离的增加呈线性增加。

The electrical contact sliding wear behavior of Cu-Cr-Zr alloy had been studied , and the results showed that the wear mechanisms mainly were adhere wear , arc erosive and abrasive wear and that there was a linear relation between the wear loss and sliding distance .

对真空高频熔焊和等离子堆焊两种工艺下成型的汽车发动机Co-Cr-W合金气门密封面焊层进行分析比较。

Vacuum high-frequency fusion welding and plasma overlay welding techniques were used to prepare Co-Cr-W coatings for valve surface sealing in an automobile engine . The structures and wear - and corrosion-resistance of the Co-Cr-W coatings prepared using the two techniques were comparatively investigated .

随着高功率激光器的出现，激光深熔焊在工业生产中的应用日益广泛。

The laser penetration welding is popularly used in industry field .

短弧对汽车继电器触头动熔焊的影响

Influence of Short Arc on Contacts Dynamic Welding of Automotive Relay